ENGINE CONTROL SYSTEM (J08E)
4–1246
INSPECTION PROCEDURE: P2563
1.
Connect the vehicle to Hino-DX.
2.
Set the starter switch to the "ON" position.
3.
Select [Engine] and check if any DTC other than P2563 (for exam-
ple U010C) has been detected in [Fault Information].
HINT
Due to CAN communication failures, P2563 may have been
detected.
NO
YES
1.
Set the starter switch to the "ON" position.
2.
Select [Engine] and check if P2563 has been detected in [Fault
Information].
NO
YES
1
Check the DTC detected 1 (Engine ECU) [Hino-DX]
Select
Engine
SAPH16F010300973
Has a DTC other than P2563 (for example U010C) been detected?
Go to diagnosis procedure of a related DTC.
Go to step 2 after repair.
Go to step 3.
2
Check the DTC detected 2 (Engine ECU) [Hino-DX]
Select
Engine
SAPH16F010300974
Has DTC P2563 been detected?
Go to step 3.
Procedure completed.
Perform "After-inspection work" of INFOR-
MATION section.
Summary of Contents for 238
Page 201: ...ENGINE CONTROL SYSTEM J08E 4 978 Harness disconnection or short circuit ...
Page 215: ...ENGINE CONTROL SYSTEM J08E 4 992 Malfunction of sensor 2 Malfunction of engine ECU ...
Page 301: ...ENGINE CONTROL SYSTEM J08E 4 1078 8 Estimated failure factors Malfunction of engine ECU ...
Page 709: ...DEF SCR SYSTEM DCU 5 143 8 Estimated failure factors DEF pump pressure sensor malfunction ...
